mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-12-13 06:32:26 +00:00
569 lines
20 KiB
C
569 lines
20 KiB
C
#include "nice_flor_s.h"
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#include "../blocks/const.h"
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#include "../blocks/decoder.h"
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#include "../blocks/encoder.h"
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#include "../blocks/generic.h"
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#include "../blocks/math.h"
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/*
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* https://phreakerclub.com/1615
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* https://phreakerclub.com/forum/showthread.php?t=2360
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* https://vrtp.ru/index.php?showtopic=27867
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*/
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#define TAG "SubGhzProtocolNiceFlorS"
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static const SubGhzBlockConst subghz_protocol_nice_flor_s_const = {
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.te_short = 500,
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.te_long = 1000,
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.te_delta = 300,
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.min_count_bit_for_found = 52,
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};
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struct SubGhzProtocolDecoderNiceFlorS {
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SubGhzProtocolDecoderBase base;
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SubGhzBlockDecoder decoder;
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SubGhzBlockGeneric generic;
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const char* nice_flor_s_rainbow_table_file_name;
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};
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struct SubGhzProtocolEncoderNiceFlorS {
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SubGhzProtocolEncoderBase base;
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SubGhzProtocolBlockEncoder encoder;
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SubGhzBlockGeneric generic;
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const char* nice_flor_s_rainbow_table_file_name;
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};
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typedef enum {
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NiceFlorSDecoderStepReset = 0,
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NiceFlorSDecoderStepCheckHeader,
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NiceFlorSDecoderStepFoundHeader,
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NiceFlorSDecoderStepSaveDuration,
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NiceFlorSDecoderStepCheckDuration,
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} NiceFlorSDecoderStep;
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const SubGhzProtocolDecoder subghz_protocol_nice_flor_s_decoder = {
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.alloc = subghz_protocol_decoder_nice_flor_s_alloc,
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.free = subghz_protocol_decoder_nice_flor_s_free,
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.feed = subghz_protocol_decoder_nice_flor_s_feed,
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.reset = subghz_protocol_decoder_nice_flor_s_reset,
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.get_hash_data = subghz_protocol_decoder_nice_flor_s_get_hash_data,
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.serialize = subghz_protocol_decoder_nice_flor_s_serialize,
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.deserialize = subghz_protocol_decoder_nice_flor_s_deserialize,
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.get_string = subghz_protocol_decoder_nice_flor_s_get_string,
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};
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const SubGhzProtocolEncoder subghz_protocol_nice_flor_s_encoder = {
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.alloc = subghz_protocol_encoder_nice_flor_s_alloc,
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.free = subghz_protocol_encoder_nice_flor_s_free,
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.deserialize = subghz_protocol_encoder_nice_flor_s_deserialize,
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.stop = subghz_protocol_encoder_nice_flor_s_stop,
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.yield = subghz_protocol_encoder_nice_flor_s_yield,
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};
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const SubGhzProtocol subghz_protocol_nice_flor_s = {
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.name = SUBGHZ_PROTOCOL_NICE_FLOR_S_NAME,
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.type = SubGhzProtocolTypeDynamic,
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.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_868 | SubGhzProtocolFlag_AM |
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SubGhzProtocolFlag_Decodable | SubGhzProtocolFlag_Load | SubGhzProtocolFlag_Save |
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SubGhzProtocolFlag_Send,
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.decoder = &subghz_protocol_nice_flor_s_decoder,
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.encoder = &subghz_protocol_nice_flor_s_encoder,
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};
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static void subghz_protocol_nice_flor_s_remote_controller(
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SubGhzBlockGeneric* instance,
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const char* file_name);
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void* subghz_protocol_encoder_nice_flor_s_alloc(SubGhzEnvironment* environment) {
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SubGhzProtocolEncoderNiceFlorS* instance = malloc(sizeof(SubGhzProtocolEncoderNiceFlorS));
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instance->base.protocol = &subghz_protocol_nice_flor_s;
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instance->generic.protocol_name = instance->base.protocol->name;
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instance->nice_flor_s_rainbow_table_file_name =
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subghz_environment_get_nice_flor_s_rainbow_table_file_name(environment);
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if(instance->nice_flor_s_rainbow_table_file_name) {
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FURI_LOG_D(
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TAG, "Loading rainbow table from %s", instance->nice_flor_s_rainbow_table_file_name);
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}
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instance->encoder.repeat = 10;
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instance->encoder.size_upload = 1728; //wrong!! upload 186*16 = 2976 - actual size about 1728
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instance->encoder.upload = malloc(instance->encoder.size_upload * sizeof(LevelDuration));
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instance->encoder.is_running = false;
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return instance;
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}
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void subghz_protocol_encoder_nice_flor_s_free(void* context) {
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furi_assert(context);
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SubGhzProtocolEncoderNiceFlorS* instance = context;
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free(instance->encoder.upload);
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free(instance);
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}
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/**
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* Generating an upload from data.
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* @param instance Pointer to a SubGhzProtocolEncoderNiceFlorS instance
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* @return true On success
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*/
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static void subghz_protocol_encoder_nice_flor_s_get_upload(
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SubGhzProtocolEncoderNiceFlorS* instance,
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uint8_t btn,
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const char* file_name) {
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furi_assert(instance);
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size_t index = 0;
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btn = instance->generic.btn;
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size_t size_upload = ((instance->generic.data_count_bit * 2) + ((37 + 2 + 2) * 2) * 16);
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if(size_upload > instance->encoder.size_upload) {
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FURI_LOG_E(TAG, "Size upload exceeds allocated encoder buffer.");
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} else {
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instance->encoder.size_upload = size_upload;
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}
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if(instance->generic.cnt < 0xFFFF) {
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instance->generic.cnt++;
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} else if(instance->generic.cnt >= 0xFFFF) {
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instance->generic.cnt = 0;
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}
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uint64_t decrypt = ((uint64_t)instance->generic.serial << 16) | instance->generic.cnt;
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uint64_t enc_part = subghz_protocol_nice_flor_s_encrypt(decrypt, file_name);
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for(int i = 0; i < 16; i++) {
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static const uint64_t loops[16] = {
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0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0xB, 0xC, 0xD, 0xE, 0xF};
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uint8_t byte;
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byte = btn << 4 | (0xF ^ btn ^ loops[i]);
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instance->generic.data = (uint64_t)byte << 44 | enc_part;
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//Send header
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instance->encoder.upload[index++] =
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level_duration_make(false, (uint32_t)subghz_protocol_nice_flor_s_const.te_short * 37);
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//Send start bit
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instance->encoder.upload[index++] =
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level_duration_make(true, (uint32_t)subghz_protocol_nice_flor_s_const.te_short * 3);
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instance->encoder.upload[index++] =
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level_duration_make(false, (uint32_t)subghz_protocol_nice_flor_s_const.te_short * 3);
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//Send key data
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for(uint8_t i = instance->generic.data_count_bit; i > 0; i--) {
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if(bit_read(instance->generic.data, i - 1)) {
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//send bit 1
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instance->encoder.upload[index++] =
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level_duration_make(true, (uint32_t)subghz_protocol_nice_flor_s_const.te_long);
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instance->encoder.upload[index++] = level_duration_make(
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false, (uint32_t)subghz_protocol_nice_flor_s_const.te_short);
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} else {
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//send bit 0
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instance->encoder.upload[index++] = level_duration_make(
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true, (uint32_t)subghz_protocol_nice_flor_s_const.te_short);
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instance->encoder.upload[index++] = level_duration_make(
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false, (uint32_t)subghz_protocol_nice_flor_s_const.te_long);
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}
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}
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//Send stop bit
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instance->encoder.upload[index++] =
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level_duration_make(true, (uint32_t)subghz_protocol_nice_flor_s_const.te_short * 3);
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//instance->encoder.upload[index++] =
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//level_duration_make(false, (uint32_t)subghz_protocol_nice_flor_s_const.te_short * 3);
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}
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instance->encoder.size_upload = index;
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}
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bool subghz_protocol_encoder_nice_flor_s_deserialize(void* context, FlipperFormat* flipper_format) {
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furi_assert(context);
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SubGhzProtocolEncoderNiceFlorS* instance = context;
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bool res = false;
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do {
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if(!subghz_block_generic_deserialize(&instance->generic, flipper_format)) {
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FURI_LOG_E(TAG, "Deserialize error");
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break;
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}
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//optional parameter parameter
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flipper_format_read_uint32(
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flipper_format, "Repeat", (uint32_t*)&instance->encoder.repeat, 1);
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subghz_protocol_nice_flor_s_remote_controller(
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&instance->generic, instance->nice_flor_s_rainbow_table_file_name);
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subghz_protocol_encoder_nice_flor_s_get_upload(
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instance, instance->generic.btn, instance->nice_flor_s_rainbow_table_file_name);
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if(!flipper_format_rewind(flipper_format)) {
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FURI_LOG_E(TAG, "Rewind error");
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break;
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}
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uint8_t key_data[sizeof(uint64_t)] = {0};
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for(size_t i = 0; i < sizeof(uint64_t); i++) {
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key_data[sizeof(uint64_t) - i - 1] = (instance->generic.data >> i * 8) & 0xFF;
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}
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if(!flipper_format_update_hex(flipper_format, "Key", key_data, sizeof(uint64_t))) {
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FURI_LOG_E(TAG, "Unable to add Key");
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break;
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}
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instance->encoder.is_running = true;
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res = true;
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} while(false);
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return res;
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}
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void subghz_protocol_encoder_nice_flor_s_stop(void* context) {
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SubGhzProtocolEncoderNiceFlorS* instance = context;
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instance->encoder.is_running = false;
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}
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LevelDuration subghz_protocol_encoder_nice_flor_s_yield(void* context) {
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SubGhzProtocolEncoderNiceFlorS* instance = context;
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if(instance->encoder.repeat == 0 || !instance->encoder.is_running) {
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instance->encoder.is_running = false;
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return level_duration_reset();
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}
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LevelDuration ret = instance->encoder.upload[instance->encoder.front];
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if(++instance->encoder.front == instance->encoder.size_upload) {
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instance->encoder.repeat--;
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instance->encoder.front = 0;
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}
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return ret;
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}
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/**
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* Read bytes from rainbow table
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* @param file_name Full path to rainbow table the file
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* @param address Byte address in file
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* @return data
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*/
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static uint8_t
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subghz_protocol_nice_flor_s_get_byte_in_file(const char* file_name, uint32_t address) {
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if(!file_name) return 0;
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uint8_t buffer[1] = {0};
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if(subghz_keystore_raw_get_data(file_name, address, buffer, sizeof(uint8_t))) {
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return buffer[0];
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} else {
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return 0;
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}
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}
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static inline void subghz_protocol_decoder_nice_flor_s_magic_xor(uint8_t* p, uint8_t k) {
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for(uint8_t i = 1; i < 6; i++) {
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p[i] ^= k;
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}
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}
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uint64_t subghz_protocol_nice_flor_s_encrypt(uint64_t data, const char* file_name) {
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uint8_t* p = (uint8_t*)&data;
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uint8_t k = 0;
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for(uint8_t y = 0; y < 2; y++) {
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k = subghz_protocol_nice_flor_s_get_byte_in_file(file_name, p[0] & 0x1f);
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subghz_protocol_decoder_nice_flor_s_magic_xor(p, k);
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p[5] &= 0x0f;
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p[0] ^= k & 0xe0;
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k = subghz_protocol_nice_flor_s_get_byte_in_file(file_name, p[0] >> 3) + 0x25;
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subghz_protocol_decoder_nice_flor_s_magic_xor(p, k);
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p[5] &= 0x0f;
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p[0] ^= k & 0x7;
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if(y == 0) {
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k = p[0];
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p[0] = p[1];
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p[1] = k;
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}
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}
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p[5] = ~p[5] & 0x0f;
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k = ~p[4];
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p[4] = ~p[0];
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p[0] = ~p[2];
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p[2] = k;
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k = ~p[3];
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p[3] = ~p[1];
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p[1] = k;
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return data;
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}
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static uint64_t
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subghz_protocol_nice_flor_s_decrypt(SubGhzBlockGeneric* instance, const char* file_name) {
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furi_assert(instance);
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uint64_t data = instance->data;
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uint8_t* p = (uint8_t*)&data;
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uint8_t k = 0;
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k = ~p[4];
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p[5] = ~p[5];
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p[4] = ~p[2];
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p[2] = ~p[0];
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p[0] = k;
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k = ~p[3];
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p[3] = ~p[1];
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p[1] = k;
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for(uint8_t y = 0; y < 2; y++) {
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k = subghz_protocol_nice_flor_s_get_byte_in_file(file_name, p[0] >> 3) + 0x25;
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subghz_protocol_decoder_nice_flor_s_magic_xor(p, k);
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p[5] &= 0x0f;
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p[0] ^= k & 0x7;
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k = subghz_protocol_nice_flor_s_get_byte_in_file(file_name, p[0] & 0x1f);
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subghz_protocol_decoder_nice_flor_s_magic_xor(p, k);
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p[5] &= 0x0f;
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p[0] ^= k & 0xe0;
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if(y == 0) {
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k = p[0];
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p[0] = p[1];
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p[1] = k;
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}
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}
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return data;
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}
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bool subghz_protocol_nice_flor_s_create_data(
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void* context,
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FlipperFormat* flipper_format,
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uint32_t serial,
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uint8_t btn,
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uint16_t cnt,
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SubGhzRadioPreset* preset) {
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furi_assert(context);
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SubGhzProtocolEncoderNiceFlorS* instance = context;
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instance->generic.serial = serial;
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instance->generic.cnt = cnt;
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instance->generic.data_count_bit = 52;
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uint64_t decrypt = ((uint64_t)instance->generic.serial << 16) | instance->generic.cnt;
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uint64_t enc_part = subghz_protocol_nice_flor_s_encrypt(
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decrypt, instance->nice_flor_s_rainbow_table_file_name);
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uint8_t byte = btn << 4 | (0xF ^ btn ^ 0x3);
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instance->generic.data = (uint64_t)byte << 44 | enc_part;
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bool res = subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
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return res;
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}
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void* subghz_protocol_decoder_nice_flor_s_alloc(SubGhzEnvironment* environment) {
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SubGhzProtocolDecoderNiceFlorS* instance = malloc(sizeof(SubGhzProtocolDecoderNiceFlorS));
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instance->base.protocol = &subghz_protocol_nice_flor_s;
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instance->generic.protocol_name = instance->base.protocol->name;
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instance->nice_flor_s_rainbow_table_file_name =
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subghz_environment_get_nice_flor_s_rainbow_table_file_name(environment);
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if(instance->nice_flor_s_rainbow_table_file_name) {
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FURI_LOG_D(
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TAG, "Loading rainbow table from %s", instance->nice_flor_s_rainbow_table_file_name);
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}
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return instance;
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}
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void subghz_protocol_decoder_nice_flor_s_free(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderNiceFlorS* instance = context;
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instance->nice_flor_s_rainbow_table_file_name = NULL;
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free(instance);
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}
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void subghz_protocol_decoder_nice_flor_s_reset(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderNiceFlorS* instance = context;
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instance->decoder.parser_step = NiceFlorSDecoderStepReset;
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}
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void subghz_protocol_decoder_nice_flor_s_feed(void* context, bool level, uint32_t duration) {
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furi_assert(context);
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SubGhzProtocolDecoderNiceFlorS* instance = context;
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switch(instance->decoder.parser_step) {
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case NiceFlorSDecoderStepReset:
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if((!level) && (DURATION_DIFF(duration, subghz_protocol_nice_flor_s_const.te_short * 38) <
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subghz_protocol_nice_flor_s_const.te_delta * 38)) {
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//Found start header Nice Flor-S
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instance->decoder.parser_step = NiceFlorSDecoderStepCheckHeader;
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}
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break;
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case NiceFlorSDecoderStepCheckHeader:
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if((level) && (DURATION_DIFF(duration, subghz_protocol_nice_flor_s_const.te_short * 3) <
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subghz_protocol_nice_flor_s_const.te_delta * 3)) {
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//Found next header Nice Flor-S
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instance->decoder.parser_step = NiceFlorSDecoderStepFoundHeader;
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} else {
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instance->decoder.parser_step = NiceFlorSDecoderStepReset;
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}
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break;
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case NiceFlorSDecoderStepFoundHeader:
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if((!level) && (DURATION_DIFF(duration, subghz_protocol_nice_flor_s_const.te_short * 3) <
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subghz_protocol_nice_flor_s_const.te_delta * 3)) {
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//Found header Nice Flor-S
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instance->decoder.parser_step = NiceFlorSDecoderStepSaveDuration;
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instance->decoder.decode_data = 0;
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instance->decoder.decode_count_bit = 0;
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} else {
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instance->decoder.parser_step = NiceFlorSDecoderStepReset;
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}
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break;
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case NiceFlorSDecoderStepSaveDuration:
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if(level) {
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if(DURATION_DIFF(duration, subghz_protocol_nice_flor_s_const.te_short * 3) <
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subghz_protocol_nice_flor_s_const.te_delta) {
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//Found STOP bit
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instance->decoder.parser_step = NiceFlorSDecoderStepReset;
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if(instance->decoder.decode_count_bit ==
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subghz_protocol_nice_flor_s_const.min_count_bit_for_found) {
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instance->generic.data = instance->decoder.decode_data;
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instance->generic.data_count_bit = instance->decoder.decode_count_bit;
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if(instance->base.callback)
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instance->base.callback(&instance->base, instance->base.context);
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}
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break;
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} else {
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//save interval
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instance->decoder.te_last = duration;
|
|
instance->decoder.parser_step = NiceFlorSDecoderStepCheckDuration;
|
|
}
|
|
}
|
|
break;
|
|
case NiceFlorSDecoderStepCheckDuration:
|
|
if(!level) {
|
|
if((DURATION_DIFF(
|
|
instance->decoder.te_last, subghz_protocol_nice_flor_s_const.te_short) <
|
|
subghz_protocol_nice_flor_s_const.te_delta) &&
|
|
(DURATION_DIFF(duration, subghz_protocol_nice_flor_s_const.te_long) <
|
|
subghz_protocol_nice_flor_s_const.te_delta)) {
|
|
subghz_protocol_blocks_add_bit(&instance->decoder, 0);
|
|
instance->decoder.parser_step = NiceFlorSDecoderStepSaveDuration;
|
|
} else if(
|
|
(DURATION_DIFF(
|
|
instance->decoder.te_last, subghz_protocol_nice_flor_s_const.te_long) <
|
|
subghz_protocol_nice_flor_s_const.te_delta) &&
|
|
(DURATION_DIFF(duration, subghz_protocol_nice_flor_s_const.te_short) <
|
|
subghz_protocol_nice_flor_s_const.te_delta)) {
|
|
subghz_protocol_blocks_add_bit(&instance->decoder, 1);
|
|
instance->decoder.parser_step = NiceFlorSDecoderStepSaveDuration;
|
|
} else
|
|
instance->decoder.parser_step = NiceFlorSDecoderStepReset;
|
|
} else {
|
|
instance->decoder.parser_step = NiceFlorSDecoderStepReset;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Analysis of received data
|
|
* @param instance Pointer to a SubGhzBlockGeneric* instance
|
|
* @param file_name Full path to rainbow table the file
|
|
*/
|
|
static void subghz_protocol_nice_flor_s_remote_controller(
|
|
SubGhzBlockGeneric* instance,
|
|
const char* file_name) {
|
|
/*
|
|
* Packet format Nice Flor-s: START-P0-P1-P2-P3-P4-P5-P6-P7-STOP
|
|
* P0 (4-bit) - button positional code - 1:0x1, 2:0x2, 3:0x4, 4:0x8;
|
|
* P1 (4-bit) - batch repetition number, calculated by the formula:
|
|
* P1 = 0xF ^ P0 ^ n; where n changes from 1 to 15, then 0, and then in a circle
|
|
* key 1: {0xE,0xF,0xC,0xD,0xA,0xB,0x8,0x9,0x6,0x7,0x4,0x5,0x2,0x3,0x0,0x1};
|
|
* key 2: {0xD,0xC,0xF,0xE,0x9,0x8,0xB,0xA,0x5,0x4,0x7,0x6,0x1,0x0,0x3,0x2};
|
|
* key 3: {0xB,0xA,0x9,0x8,0xF,0xE,0xD,0xC,0x3,0x2,0x1,0x0,0x7,0x6,0x5,0x4};
|
|
* key 4: {0x7,0x6,0x5,0x4,0x3,0x2,0x1,0x0,0xF,0xE,0xD,0xC,0xB,0xA,0x9,0x8};
|
|
* P2 (4-bit) - part of the serial number, P2 = (K ^ S3) & 0xF;
|
|
* P3 (byte) - the major part of the encrypted index
|
|
* P4 (byte) - the low-order part of the encrypted index
|
|
* P5 (byte) - part of the serial number, P5 = K ^ S2;
|
|
* P6 (byte) - part of the serial number, P6 = K ^ S1;
|
|
* P7 (byte) - part of the serial number, P7 = K ^ S0;
|
|
* K (byte) - depends on P3 and P4, K = Fk(P3, P4);
|
|
* S3,S2,S1,S0 - serial number of the console 28 bit.
|
|
*
|
|
* data => 0x1c5783607f7b3 key serial cnt
|
|
* decrypt => 0x10436c6820444 => 0x1 0436c682 0444
|
|
*
|
|
*/
|
|
if(!file_name) {
|
|
instance->cnt = 0;
|
|
instance->serial = 0;
|
|
instance->btn = 0;
|
|
} else {
|
|
uint64_t decrypt = subghz_protocol_nice_flor_s_decrypt(instance, file_name);
|
|
instance->cnt = decrypt & 0xFFFF;
|
|
instance->serial = (decrypt >> 16) & 0xFFFFFFF;
|
|
instance->btn = (decrypt >> 48) & 0xF;
|
|
}
|
|
}
|
|
|
|
uint8_t subghz_protocol_decoder_nice_flor_s_get_hash_data(void* context) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderNiceFlorS* instance = context;
|
|
return subghz_protocol_blocks_get_hash_data(
|
|
&instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
|
|
}
|
|
|
|
bool subghz_protocol_decoder_nice_flor_s_serialize(
|
|
void* context,
|
|
FlipperFormat* flipper_format,
|
|
SubGhzRadioPreset* preset) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderNiceFlorS* instance = context;
|
|
return subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
|
|
}
|
|
|
|
bool subghz_protocol_decoder_nice_flor_s_deserialize(void* context, FlipperFormat* flipper_format) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderNiceFlorS* instance = context;
|
|
bool ret = false;
|
|
do {
|
|
if(!subghz_block_generic_deserialize(&instance->generic, flipper_format)) {
|
|
break;
|
|
}
|
|
if(instance->generic.data_count_bit !=
|
|
subghz_protocol_nice_flor_s_const.min_count_bit_for_found) {
|
|
FURI_LOG_E(TAG, "Wrong number of bits in key");
|
|
break;
|
|
}
|
|
ret = true;
|
|
} while(false);
|
|
return ret;
|
|
}
|
|
|
|
void subghz_protocol_decoder_nice_flor_s_get_string(void* context, FuriString* output) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderNiceFlorS* instance = context;
|
|
|
|
subghz_protocol_nice_flor_s_remote_controller(
|
|
&instance->generic, instance->nice_flor_s_rainbow_table_file_name);
|
|
uint32_t code_found_hi = instance->generic.data >> 32;
|
|
uint32_t code_found_lo = instance->generic.data & 0x00000000ffffffff;
|
|
|
|
furi_string_cat_printf(
|
|
output,
|
|
"%s %dbit\r\n"
|
|
"Key:0x%lX%08lX\r\n"
|
|
"Sn:%05lX\r\n"
|
|
"Cnt:%04lX Btn:%02X\r\n",
|
|
instance->generic.protocol_name,
|
|
instance->generic.data_count_bit,
|
|
code_found_hi,
|
|
code_found_lo,
|
|
instance->generic.serial,
|
|
instance->generic.cnt,
|
|
instance->generic.btn);
|
|
}
|